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Mazin Fasteners is a top-notch manufacturer and supplier located in Muscat, Oman, known for its high-quality Stainless Steel 309/309S Bolts designed for high-temperature and industrial applications. The company caters to various sectors, including power generation, petrochemical, oil and gas, heat treatment, and manufacturing, where durability, heat resistance, and corrosion protection are crucial. With state-of-the-art manufacturing facilities, strict quality control, and a commitment to international standards, Mazin Fasteners guarantees reliable and long-lasting products. Supported by a skilled technical team and a customer-centric approach, the company provides timely and dependable fastening solutions, making it a go-to partner for projects throughout Oman and beyond.
Stainless Steel 309/309S Bolts are crafted from a high-chromium, high-nickel austenitic stainless steel alloy, with 309S featuring a lower carbon content for better weldability. This unique composition offers outstanding resistance to oxidation, scaling, and corrosion at elevated temperatures. On the mechanical side, these bolts boast high tensile and yield strength, good toughness, and thermal stability. They maintain their integrity even under prolonged exposure to high heat, resisting deformation and creep. The blend of heat resistance and mechanical performance makes Stainless Steel 309/309S Bolts perfect for demanding high-temperature industrial applications.
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
These bolts are commonly used in situations that require strength, durability, and corrosion resistance in high-temperature environments. Typical applications include furnace components, heat exchangers, boilers, kilns, petrochemical equipment, and exhaust systems. They also find their place in power generation plants, refineries, and other industrial setups that face extreme heat and oxidizing conditions. Ideal for flanged joints, structural assemblies, and critical mechanical equipment, these bolts ensure long-term stability and performance, thanks to their high-temperature strength and corrosion resistance.
Mazin Fasteners offers a full range of documentation, including our stainless steel 309/309S bolts, trademarks, packaging information, and quality certificates. We offer comprehensive test reports such as MTC per EN 10204/3.1b, PMI Testing, 100% radiography, and third-party inspections. These documents ensure transparency and the quality and compliance of our bolts, resulting in complete customer satisfaction.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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